Biography
Brian Timothy Geraghty (born May 13, 1974) is an American film and television actor, best known for his roles as Ronald Pergman on Big Sky, Dale on the series The Fugitive, Gene Colder on Briarpatch, Theodore Roosevelt on The Alienist, Police Officer Sean Roman on Chicago P.D., Specialist Owen Eldredge in the Academy Award-winning film The Hurt Locker, Tom Bogdan in We Are Marshall, Billy Hodge in The Guardian, and Fergus O'Donnell in Jarhead.
Filmography
Cast Credits
The Luckiest Man in America
Character: Ed
MOVIE • 2025
Red Right Hand
Character: Sheriff Hollister
MOVIE • 2024
1923
Character: Zane Davis
TV • 2022
Gaslit
Character: Peter
TV • 2022
Big Sky
Character: Ronald Pergman
TV • 2020
Blindfire
Character: Will Bishop
MOVIE • 2020
The Fugitive
Character: Dale
TV • 2020
Briarpatch
Character: Gene Colder
TV • 2020
Faith
Character: Chris
MOVIE • 2019
Extremely Wicked, Shockingly Evil and Vile
Character: Florida Public Defender Dan Dowd
MOVIE • 2019
Avenues
Character: Jack
MOVIE • 2019
The Standoff at Sparrow Creek
Character: Noah
MOVIE • 2019
My Days of Mercy
Character: Weldon
MOVIE • 2018
The Alienist
Character: Theodore Roosevelt
TV • 2018
Chicago Med
Character: Sean Roman
TV • 2015
Wildlike
Character: Uncle
MOVIE • 2015
Verbatim: The Ferguson Case
Character: Darren Wilson
MOVIE • 2015
The Identical
Character: William Hemsley
MOVIE • 2014
Loitering with Intent
Character: Devon
MOVIE • 2014
Date and Switch
Character: Lars
MOVIE • 2014
Crew
